GearMaker will generate
an involute gear tooth profile.You
can then save the tooth profile to a dxf file to be able to complete the gear.The profile is created based on enter
in number of teeth, diametral pitch, pressure angle.After creating the profile it will
display the root, base, pitch and outside diameter and addendum, dedendum and
tooth spacing.

AppCad (a basic cad program) $Free

AppCad is a basic cad
package. I is now new beta testing. Looking for feedback and
suggestions on features. This is a free package while in beta. Once
testing is complete the price will be under $50. It does have the ability
to draw 3D. The finished version will have true shape nesting.

CNC Pad
(Gcode Editor) $29.97

CNC Pad is an easy to use G code editor with syntax code coloring. CNC Pad
has specific tools like go to line number and book marking lines. You can
cut and paste code from one instance to another. If the NC file has been
changed in an outside source while the file is opened, CNC Pad will post a
message the file has changed. Compare one file to another and will
highlight the differences.

ParaNest
(Rectangular nesting) $47.00

ParaNest is an easy to use parametric nesting application. ParaNester
will reduce cost and waste with high nest efficiency and reusable cut offs.
Create DXF fils and G code using VB Scripts. Import data from a csv file
(comma separated value). Sample scripts incude MDF doors and saving to csv
file. Eliminate drawing errors by having ParaNester draw the parts for
you.

Vectric Gadgets $Free

A gadget is an external add-in program for Aspire or Vcarve Pro which performs a
specific task. New gadgets are simply copied to the "Gadgets" folder and when
the program is restarted are available from the Gadgets menu.
Included Gadgets are Center Line, Chip load calculator, Epicycloid, Fluter, Gear
Maker,Spiral, Square Around, Tangents.